protected static bool IsValid(byte[] packet, IntFromByteArray packetLengthCallback, int length = -1)
{
if (length < 0)
{
length = packet.Length;
}
if (length < PacketLengthMin)
{
return(false);
}
int packetLength = packetLengthCallback(packet);
if (length < packetLength || packetLength < PacketLengthMin)
{
return(false);
}
byte check = 0x00;
for (int i = 0; i < packetLength - 1; i++)
{
check ^= packet[i];
}
return(check == packet[packetLength - 1]);
}
protected static bool CanStartWith(byte[] packet, IntFromByteArray packetLengthCallback, int length = -1)
{
if (length < 0)
{
length = packet.Length;
}
if (length < PacketLengthMin)
{
return(true);
}
int packetLength = packetLengthCallback(packet);
if (packetLength < PacketLengthMin)
{
return(false);
}
if (length >= packetLength && !IsValid(packet, length))
{
return(false);
}
return(true);
}
protected static new bool CanStartWith(byte[] packet, IntFromByteArray packetLengthCallback, int length = -1)
{
if (length < 0)
{
length = packet.Length;
}
if (length < PacketLengthMin)
{
return true;
}
byte packetLength = (byte)(packet[1] + 2);
if (packetLength < PacketLengthMin)
{
return false;
}
if (length >= packetLength && !IsValid(packet, length))
{
return false;
}
return true;
}
protected static bool IsValid(byte[] packet, IntFromByteArray packetLengthCallback, int length = -1)
{
if (length < 0)
{
length = packet.Length;
}
if (length < PacketLengthMin)
{
return false;
}
int packetLength = packetLengthCallback(packet);
if (length < packetLength || packetLength < PacketLengthMin)
{
return false;
}
byte check = 0x00;
for (int i = 0; i < packetLength - 1; i++)
{
check ^= packet[i];
}
return check == packet[packetLength - 1];
}
